3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
11 # The focus of this file is testing the OR optimization on WITHOUT ROWID
15 set testdir [file dirname $argv0]
16 source $testdir/tester.tcl
17 set ::testprefix whereI
20 CREATE TABLE t1(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
21 INSERT INTO t1 VALUES(1, 'a', 'z');
22 INSERT INTO t1 VALUES(2, 'b', 'y');
23 INSERT INTO t1 VALUES(3, 'c', 'x');
24 INSERT INTO t1 VALUES(4, 'd', 'w');
25 CREATE INDEX i1 ON t1(b);
26 CREATE INDEX i2 ON t1(c);
30 SELECT a FROM t1 WHERE b='b' OR c='x'
32 0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b=?)}
33 0 0 0 {SEARCH TABLE t1 USING INDEX i2 (c=?)}
37 SELECT a FROM t1 WHERE b='b' OR c='x'
41 SELECT a FROM t1 WHERE b='a' OR c='z'
44 #----------------------------------------------------------------------
45 # Try that again, this time with non integer PRIMARY KEY values.
48 CREATE TABLE t2(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
49 INSERT INTO t2 VALUES('i', 'a', 'z');
50 INSERT INTO t2 VALUES('ii', 'b', 'y');
51 INSERT INTO t2 VALUES('iii', 'c', 'x');
52 INSERT INTO t2 VALUES('iv', 'd', 'w');
53 CREATE INDEX i3 ON t2(b);
54 CREATE INDEX i4 ON t2(c);
58 SELECT a FROM t2 WHERE b='b' OR c='x'
60 0 0 0 {SEARCH TABLE t2 USING INDEX i3 (b=?)}
61 0 0 0 {SEARCH TABLE t2 USING INDEX i4 (c=?)}
65 SELECT a FROM t2 WHERE b='b' OR c='x'
69 SELECT a FROM t2 WHERE b='a' OR c='z'
72 #----------------------------------------------------------------------
73 # On a table with a multi-column PK.
76 CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID;
78 INSERT INTO t3 VALUES('f', 1, 1, 'o');
79 INSERT INTO t3 VALUES('o', 2, 1, 't');
80 INSERT INTO t3 VALUES('t', 1, 2, 't');
81 INSERT INTO t3 VALUES('t', 2, 2, 'f');
83 CREATE INDEX t3i1 ON t3(d);
84 CREATE INDEX t3i2 ON t3(a);
86 SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t'